20979166

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{2129}}^1$

素因数の和:2523

約数の個数: 16

約数和(自身を含む): 33994800

約数和(自身を除く): 13015634

約数列:

[1, 2, 13, 26, 379, 758, 2129, 4258, 4927, 9854, 27677, 55354, 806891, 1613782, 10489583, 20979166]

約数ペア:

[(1, 20979166), (2, 10489583), (13, 1613782), (26, 806891), (379, 55354), (758, 27677), (2129, 9854), (4258, 4927)]